<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			h2{
				font-family: "幼圆";
				color: blue;
			}
			P{
				font-size: 22px;
				color: #889900;
				font-weight: bold;
			}
			#thisHeading{
				font-size: 40px;
				color: #225566;
				background-color: olive;
				text-align: center;
			}
			.special{
				border: 2px dashed purple;
				
			}
			h2.special{
				width: 300px;
				height: 80px;
				background-color: pink;
			}
		</style>
	</head>
	<body>
		<h2 id="thisHeading">CSS样式表基础</h2>
		<h2>CSS标记1</h2>
		<p>CSS标记的正文内容1</p>
		<h2>CSS标记2</h2>
		<p class="special">CSS标记的正文内容2</p>
		<h2>CSS标记3</h2>
		<p>CSS标记的正文内容3</p>
		<h2 class="special">CSS标记4</h2>
		<p class="special">CSS标记的正文内容4</p>
	</body>
</html>